Home / 39,409.76-59,105.72-11,329.76

Finding the Fourth Proportional to 39,409.76, 59,105.72 and 11,329.76

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Solution

The fourth proportional to 39,409.76, 59,105.72 and 11,329.76 is: 16,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.76 : 59,105.72 = 11,329.76 : x
  2. Step 2: Convert to fraction form
    39,409.76/59,105.72 = 11,329.76/x
  3. Step 3: Cross multiply
    39,409.76x = 59,105.72 × 11,329.76
  4. Step 4: Simplify right side
    39,409.76x = 669,653,622.23
  5. Step 5: Solve for x
    x = 669,653,622.23/39,409.76
  6. Step 6: Final answer
    x = 16,992.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.